The combo is incredibly easy to pull off, and that is why Thassa's Oracle is so good
According to the rulings: If you use this on a multi-card draw, each replaced draw is handled separately . So, the effect of Abundance can be used separately on each of your extra draws
If you catch Scene Boxes at or close to MSRP, they are often worth buying
Also Nuclear Fallout is super sweet wipe in the deck that can actually double as a (somewhat janky) finisher since they will (eventually) lose an extra life each time we proliferate their rad counters
Outside of those, generic Big Mom Pirates support cards like OP03-112-charlotte-pudding and OP03-113-charlotte-perospero can be a big help
With just a little bit of work, Mulldrifter could be your new favorite card, and trust us